Home / 68,674.23-103,479.28-56,467.69

Finding the Fourth Proportional to 68,674.23, 103,479.28 and 56,467.69

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Solution

The fourth proportional to 68,674.23, 103,479.28 and 56,467.69 is: 85,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,674.23 : 103,479.28 = 56,467.69 : x
  2. Step 2: Convert to fraction form
    68,674.23/103,479.28 = 56,467.69/x
  3. Step 3: Cross multiply
    68,674.23x = 103,479.28 × 56,467.69
  4. Step 4: Simplify right side
    68,674.23x = 5,843,235,504.60
  5. Step 5: Solve for x
    x = 5,843,235,504.60/68,674.23
  6. Step 6: Final answer
    x = 85,086.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.